A puppy that never ages. A cactus that grows human hair. Giant cockroaches presented as pets.

Genes run amok at Nextgencode, which is as it should be. The "company" is the creation of News Corp.'s HarperCollins Publishers, and its sole purpose is to gin up interest in "Next," Michael Crichton's coming thriller about genetic research. The publisher plans to post videos on YouTube and other popular Web sites touting...